GerwinT
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Posts by GerwinT
Project Estimation & Control based on Use Cases
This week Sander Hoogendoorn (Cap Gemini) presented a seminar about “Estimation with Use Casesâ€. Generally, this seminar confirmed that the development method of AMIS, internally called the “Way We Work @AMIS†is still valid and up-to-date. However, there are some interesting things to learn from this seminar. The three most important ones are:
- define Smart Use Case diagrams before the Use Case documents
- use Smart Use Case stereotypes to objectify estimates
- do project iterations including customer acceptance
First a short comparison will be made between the development method of AMIS and the one presented by Sander. Second, three learning points will be described that lead to ideas to improve the “Way We Work @AMISâ€. (more…)
Alles wat je altijd wilde weten over Oracle BPA (Business Process Analysis Suite)
Volgende week maandag, 28 april, vindt er een KC plaats over Oracle BPA. Zoals gebruikelijk: aanvang 16:30, diner 18:00 en handson vanaf 19:00.
Deze sessie kan interessant zijn voor een breed publiek:
- Architecten: de bedrijfsbrede architectuur kan in Oracle BPA worden gevisualiseerd en beheerd
- Analisten/ Ontwerpers: processen en applicatiesupport hiervan kan in Oracle BPA worden ontworpen.
- Ontwikkelaars: vanuit Oracle BPA kan werkende software worden gegenereerd voor b.v. Oracle BPEL.
- Project Managers: projectinschattingen o.b.v. functiepunt analyse behoren tot de mogelijkheden.
- Kwaliteit-/ Proces Managers: Oracle BPA kan worden gebruikt om een levend kwaliteitshandboek te beheren en publiceren.
Jan-Willem Portengen en Evelyn Gerritsen, van Oracle Nederland, komen het bovenstaande presenteren en demonstreren. Het belooft een interessant middag/ avond te worden. Aanmelden kan online via de AMIS website.
Oracle BI Suite seminar Utrecht
Last Wednesday I visited the Oracle BI seminar in Utrecht. Underneath you find a brief description of the highlights.
First of all Wouter van der Brugghen presented the Oracle BI strategy. Main strategic focus of Oracle BI is summarized below:
- Primary marketing tagline is: Pervasive BI, meaning BI for everybody. As an example the Cisco organisation was mentioned, which started with 500 expert users, now has 20.000 users and will grow towards almost all 40.000 employees worldwide. (more…)
BPEL and Service Oriented Analysis and Design (SOAD)
Recently I read an interesting Article about BPEL related analysis and design issues. BPEL stands for Business Process Execution Language and is the world standard to describe “Business Processes” in XML format. BPEL can be seen as a layer on top of the webservices standards like SOAP and UDDI. By means of BPEL one can describe a sequence of webservice calls, one can pass information from one web service to the next (like session variables) and one can describe how to react on exceptions during the execution of successive web services. This is a very short summary-like description of BPEL, which gives an idea of what is meant with the term “Business Process” within Business Process Execution Language.
Anyway, while reading about BPEL and more specific the analysis and design issues of BPEL, I came across various interesting Articles. One Article describes how a BPEL process can be described by means of an UML Activity Diagram. This article can be found here. Software is available to automatically convert such an UML Activity Diagram into executable BPEL code.
Reading further (more…)
Model driven Design of ETL functions
Analysis and functional design for regular application development has been standardised over the years. Now working on Business Intelligence (BI) projects for the last one and a half years, it seems to me that these kind of standards do not yet apply to Data Warehouse environments and more specific to ETL-processes (Extract Transform Load). Last week I read an interesting article about “Model driven Design of ETL functions” by Mark Zwijsen in Database Magazine. It interested me because I both know the author and the Data Warehouse environment he uses as an example. His thesis is that by structuring the functional design of the ETL process, it should be possible to automatically generate about 80% of the actual ETL code. The underlying model shows a possible structure.
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